National Forest Inventory Woodland GB 2018

Summary The NFI definition of woodland is a minimum area of 0.5 hectares under stands of trees with, or with the potential to achieve, tree crown cover of more than 20% of the ground Areas of...

摘要 国家森林清查（National Forest Inventory, NFI）所定义的林地，是指覆盖有林木林分且其树冠郁闭度达到或有望达到地面20%以上、最小面积不低于0.5公顷的区域。